Director-linked entity files Form 144 to sell $5.6M in Ambiq Micro stock
AMBQ has more than doubled off its 52-week low of $22.12.
Summary
An entity linked to an Ambiq Micro director filed a Form 144 to sell approximately $5.6 million worth of common stock, adding to a recent trend of insider selling at the company.
Key Events · Ownership and Investor Activity · AMBQ
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Intent to Sell Shares
Triumph Way Investment Inc, an entity linked to Director Timothy Chen, filed a Form 144 indicating intent to sell 70,592 shares of common stock, valued at approximately $5.6 million.
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Part of Broader Insider Selling Trend
This filing follows recent Form 144s and open-market sales by other Ambiq Micro officers, including the CEO and President/COO, indicating a pattern of insider distribution.
Analysis · AMBQ · Manufacturing
A Form 144 filing indicates an intent to sell a significant block of shares. This particular filing, from an investment entity linked to Director Timothy Chen, represents a notable amount of stock. It also contributes to a pattern of recent insider selling activity at Ambiq Micro, which includes other officers filing similar intentions and executing sales.
How filings like this one have moved
In the 30 days to Sep 13, 2026, 29.5% of the 1672 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.22%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, AMBQ was trading at $79.69 on NYSE in the Manufacturing sector, with a market capitalization of approximately $1.7B. The 52-week trading range was $22.12 to $85.72. This filing was assessed with negative market sentiment and an importance score of 7 out of 10.